src,lib: implement import.meta

Implement the C++ callback that is required to configure the
`import.meta` object and add one property:
- url: absolute URL of the module

PR-URL: https://github.com/nodejs/node/pull/18368
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/module_wrap.h b/src/module_wrap.h
index bedf665165..5950c5a1be 100644
--- a/src/module_wrap.h
+++ b/src/module_wrap.h
@@ -23,6 +23,10 @@ class ModuleWrap : public BaseObject {
   static void Initialize(v8::Local<v8::Object> target,
                          v8::Local<v8::Value> unused,
                          v8::Local<v8::Context> context);
+  static void HostInitializeImportMetaObjectCallback(
+      v8::Local<v8::Context> context,
+      v8::Local<v8::Module> module,
+      v8::Local<v8::Object> meta);
 
  private:
   ModuleWrap(Environment* env,
@@ -44,10 +48,14 @@ class ModuleWrap : public BaseObject {
   static void Resolve(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void SetImportModuleDynamicallyCallback(
       const v8::FunctionCallbackInfo<v8::Value>& args);
+  static void SetInitializeImportMetaObjectCallback(
+      const v8::FunctionCallbackInfo<v8::Value>& args);
   static v8::MaybeLocal<v8::Module> ResolveCallback(
       v8::Local<v8::Context> context,
       v8::Local<v8::String> specifier,
       v8::Local<v8::Module> referrer);
+  static ModuleWrap* GetFromModule(node::Environment*, v8::Local<v8::Module>);
+
 
   v8::Persistent<v8::Module> module_;
   v8::Persistent<v8::String> url_;